是时候管管手机黑客了 | 经济学人

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📢  文末扫码进裙，免费领取双语精读版 Hacking phones is too easy. Time to make it harder Forbes CAREERS 21 May, 2024 | 591 words | ★★ ★ ☆ ☆ In the mid-1960s enterprising hackers realised that if they blew a particular toy whistle down the phone, they could trick the network into routing their call anywhere, free. When phone networks got wind of this, they changed how the system worked by splitting the channel carrying the voice signal from the one managing the call. One result was the Signalling System 7, which became a global standard in 1980. ss7 stopped “phone phreaks”, as they were known. But the system, built when there were only a handful of state-controlled telecoms companies, has become woefully inadequate for the mobile age, leaving dangerous vulnerabilities at the heart of international phone networks (see Science & technology section). It is time to fix them. For more than 15 years experts have known that ss7 (or, occasionally, a later syst ………………………………